拐点近线
The inflection point is near the line
以上为机器翻译结果，长、整句建议使用 人工翻译 。
本文利用函数某处的各阶导数的特点，以确定函数在该处的单调、极大值、极小值、拐点及浙近线等。
With the features of a function's derivatives at a point, this paper discussed some problems of the function, such as monotonicity, local maximum, local minimum, inflection point, and asymptote.
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